Fix input bug and add CI workflow

.github/workflows/build.yml

@@ -0,0 +1,13 @@
+name: C++ Build
+
+on: 
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Compile
+      run: g++ main.cpp -o autovalidate

main.cpp

@@ -3,41 +3,52 @@
 #include <ctime>
 #include <vector>
 #include <cctype>
+#include <algorithm>
 
-using std::cout;
 using std::cin;
+using std::cout;
 using std::endl;
 using std::string;
-using std::vector;
 using std::transform;
+using std::vector;
 
-const vector <string> VALIDATION = {"Cool","Great","Perfect","Beautiful","Aw, yeah"};
+const vector<string> VALIDATION = {"Cool", "Great", "Perfect", "Beautiful", "Aw, yeah"};
 
 string get_input_in_lowercase();
 
-int main(){
+int main()
+{
   string input;
   int pick;
 
   srand(time(0));
   pick = rand() % VALIDATION.size();
   cout << "What are you listening to?\n";
   input = get_input_in_lowercase();
+  if (input == "nothing")
+  {
+    return 0;
+  }
   cout << VALIDATION[pick] << "! Let's listen to more\n";
 
-  do{
+  do
+  {
     cout << "What's next?\n";
     input = get_input_in_lowercase();
+    if (input == "nothing")
+      break;
     pick = rand() % VALIDATION.size();
     cout << VALIDATION[pick] << "!\n";
-  }while( input != "nothing" );
+  } while (input != "nothing");
 
   return 0;
 }
 
-string get_input_in_lowercase(){
+string get_input_in_lowercase()
+{
   string in;
-  getline(cin,in);
-  transform(in.begin(), in.end(), in.begin(), [](unsigned char c){ return std::tolower(c); });
+  getline(cin, in);
+  transform(in.begin(), in.end(), in.begin(), [](unsigned char c)
+            { return std::tolower(c); });
   return in;
 }